Top 7 Most Aamazing Facts about
SIM Cards
Making of the world’s first sim card was done in 1991 by Munich founders Devrient & Giesecke
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2
Regular sim card can work for about 12-15 years if any problem occurs.
3
If you are using a 3G sim card in a 4G or 5G mobile phone, it may cause many network and connectivity issues to you.
4
The loophole of a SIM card is the entering of a virus that damages all the info. like phone numbers and others, without even the user's notice
5
The microchip and IMSI number of every sim help in detecting signals for messaging, calling, and Internet network
6
Unique MSISDN Number of every SIM Card makes it different and easily found among millions of other sim cards.
7
Nowadays, the introduction of 2 basic types of SIM cards is available one is soft SIM and other is e-SIM